Extreme Networks ExtremeSwitching 5520 Series Hardware Installation Manual page 148

Console Connector Pinouts
Figure 90: PC-AT Serial Null-modem Cable Pinouts
Table 86 shows the pinouts for the RJ45 console port on the ExtremeSwitching switches.
Table 86: RJ45 Console Port on Switch
Function
RTS (request to send)
DTR (data carrier detect)
TXD (transmit data)
GND (ground)
GND (ground)
RXD (receive data)
DSR (data set ready)
CTS (clear to send)
Table 87 shows the pinouts for an RJ45-to-DB-9 adapter.
Table 87: Pinouts for an RJ45 to DB-9 Adapter
Signal
CTS (clear to send)
DTR (data carrier detect)
TXD (transmit data)
GND (ground)
GND (ground)
RXD (receive data)
148 ExtremeSwitching 5520 Series Hardware Installation Guide
Pin Number
1
2
3
4
5
6
7
8
RJ45 Pin
1
2
3
4
5
6
Technical Specifications
Direction
Out
Out
Out
—
—
In
In
In
DB-9 Pin
8
6
2
5
5
3